Simile
Artificial Intelligence · AI Agents
$304.6Mtotal raised · 3 rounds on record
8open roles
$400kmedian advertised pay
$200Mlatest round · Series B · Jul 2026 · 3 mo ago
Overview
Simulate how real customers respond to a launch, price change, or campaign — before you ship. Built by the Stanford researchers behind generative agents.
How Simile hires
Truth index
A 92/100
Median time to fill
57 days
Ghost roles
0%
Stale roles
33%
Reposted roles
0%
Simile scores A on the Alion truth index (A is best, E worst), measured over 9 open roles re-checked against its own hiring board: 0% look like ghost listings, 33% have gone stale and 0% are the same role posted again. Its roles close in a median of 57 days. It measures how much of what this employer publishes turns into a real, finite search - not the employer as a workplace. How the index is computed
Funding and backers
Total raised
$304.6M
3 rounds on record
Latest round
$200M
Series B · Jul 2026 · 3 mo ago
Team
201-500
employees, estimated range
Hiring now
9
+2 posted in 30 days
Backers
2
Bain Capital Ventures, Index Ventures
The money's age
Fresh money
3 months since the last round · and hiring
Momentum
44/100
hiring for its size, in the news, fresh money
Last sign of life
this month
a posting or a news item
The story so fareach stage dated by its source: the company's releases, the press, registers, filings
Jul 30
Raised a round Series B $200M · led by Greenoaks · Pulse 2.0
Feb 12
Raised a round Venture round $100M · PYMNTS.com
Jan 25, 2018
Raised a round Venture round $4.6M · SEC Form D
2016
Founded
Tractionpublic signals, read monthly
Web presence
top 7%
of 133.2M domains by links, Common Crawl
Hacker News stories
1
best: 3 points
Funding rounds
| Round | Date | Amount | Investors | Source |
|---|---|---|---|---|
| Series B | Jul 2026 | $200M | Greenoaks lead, Hanabi, Bain Capital | Pulse 2.0 |
| Venture round | Feb 2026 | $100M | — | PYMNTS.com |
| Venture round | Jan 2018 | $4.6M | — | SEC Form D |
Registers and programsofficial lists and records that name the company
| Legal entity | Simile Inc. | SEC Form D |
Founders and leadersfrom filings, registers and the company's site
James GeorgeExecutive Officer, DirectorSEC Form D
Alexander PorterExecutive Officer, DirectorSEC Form D
Backed byfrom the funds' portfolios and accelerator catalogs
Investors in similar startupsfunds that back the companies most like this one
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Jobs
≈ $222k – $441k per year (Estimated) · In office · Full-Time · 5+ years exp · San Francisco
Python
TypeScript
SQL
PostgreSQL
ClickHouse
Google BigQuery
AI/ML
Flink
LLM
Text-to-Speech
DevOps
GCP
WebRTC
Azure
AWS
Cybersecurity
SOC 2
GDPR
HIPAA
Apply
$200k – $400k per year · In office · Full-Time · 5+ years exp · San Francisco
AI Agents
DevOps
Terraform
GCP
OpenTelemetry
Datadog
Pulumi
Azure
CI/CD
GitOps
AWS
Kubernetes
Amazon EKS
Google GKE
SLI/SLO/SLA
DNS
Cybersecurity
SOC 2
HIPAA
Apply
$200k – $400k per year · In office · Full-Time · Bachelor's Degree · San Francisco
Python
vLLM
Fine-tuning
Quantization
JAX
AI Agents
SGLang
TensorRT
TensorRT-LLM
PyTorch
LLM
Tokenization
CUDA
Triton
NCCL
InfiniBand
NVLink
KV Cache
Apply
$200k – $400k per year · In office · Full-Time · 5+ years exp · San Francisco
AI Agents
DevOps
Terraform
GCP
Pulumi
Azure
GitOps
AWS
Kubernetes
Amazon EKS
Google GKE
Cybersecurity
SOC 2
HIPAA
Shift-Left Security
Threat Modeling
Apply
$200k – $400k per year · In office · Full-Time · San Francisco · New York
Python
SQL
Cursor
Claude Code
AI Agents
LLM
OpenAI Codex
Post-training
LLM Evaluation
Analytics
A/B Testing
Apply
Apply
$200k – $400k per year · In office · Full-Time · San Francisco
Python
Fine-tuning
AI Agents
Apply
$200k – $400k per year · In office · Full-Time · 5+ years exp · San Francisco
Python
Go
JavaScript
Rust
TypeScript
Node JS
MySQL
PostgreSQL
AI/ML
AI Agents
Frontend
React.js
Apply
Salary insights
Compensation ranges based on this company's open jobs
Median
$400k
Typical range
$250k – $400k
Open positions
8
6
Jobs
Staff
100%
| Level | Jobs | Median | Typical range |
|---|---|---|---|
| Staff | 6 | $400k | $400k |
Highest paying role
Product Engineer - Member of Technical Staff
$400k
Normalized to USD per year
All salaries at Simile
By role, level and city, against the market · 8 jobs with pay
Growth
Hiring Momentum
45/100
Stable
Open positions
9
2 opened / 2 closed in 30 days
Median time-to-fill
57 days
faster than 23% of the market
ATS activity
Every ~4 hours
Today
Hiring Dynamics
0%
Hiring Focus
The percentage next to each role is its share of the company's job openings over the last 90 days; the arrow shows the shift versus the previous period.
Design
29% ▼
AI/ML
14% ▲
Administrative
14% ▲
HR
14% ▼
Marketing
14% ▼
Solutions
14% ▼
Activity Timeline
Added Slack to stack
Oct 2026
Added Google Workspace to stack
Oct 2026
Added WebRTC to stack
Oct 2026
Added Text-to-Speech to stack
Oct 2026
Added Google BigQuery to stack
Oct 2026
Added GDPR to stack
Oct 2026
Added Flink to stack
Oct 2026
Added ClickHouse to stack
Oct 2026
Added SLI/SLO/SLA to stack
Oct 2026
Added DNS to stack
Sep 2026
Added Machine Learning to stack
Sep 2026
People
James George
Executive Officer, Director
Alexander Porter
Executive Officer, Director
Hadley Harris
Director
Names and roles come from public filings, company registers and the company's own site. Is this you? Correct or remove · How we handle this data
Tech stack
Technologies named in job postings at Simile over the last 12 months, by layer, with the share of postings for each.
Technologies in use
56
Postings analysed
12
Stack modernity
78/100AI adopter
Languages
Python42%
SQL17%
TypeScript17%
Go8%
Frameworks & libraries
CUDA8%
JAX8%
NCCL8%
OpenTelemetry8%
Databases
PostgreSQL17%
MySQL8%
ClickHouse8%
Google BigQuery8%
Cloud & platforms
AWS25%
Azure25%
GCP25%
Amazon EKS17%
AI & ML
LLM33%
Claude8%
Sign in to see how your skills match this stack
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Full Simile tech stack
56 technologies · by team · pay by technology · changes · similar stacks
Connections
List
Graph
Found in company registers, site code, DNS and hiring. Each connection shows how sure we are and the evidence, with its source and date.
Shared investors
Bain Capital VenturesVia a fund
Index VenturesVia a fund
Click a company to open it. Dashed lines are likely connections. The second step of the network is part of the Pro plan.
Owner
Same company
Same group
Likely
News
September 17, 2026 How CVS Health is Recreating Human Behavior Watch on Wall Street Journal (opens in new tab)
Read more
Report
September 16, 2026 Attack of the Clones Speeds Up CVS Strategy Read on Wall Street Journal (opens in new tab)
Read more
Report
Building confidence in Simile
Behind the scenes into Simile's proprietary confidence model.
Read more
Report
Simile Raises $200 Million for AI Digital Twin Service
Simile raised $200 million for its artificial intelligence product that can simulate and predict human behavior.
Read more
Report
Synthetic-user startup Simile raises $200M at $2B valuation 5 months after $100M Series A
Add another member to the fast-and-furious AI unicorn club: Simile.
Read more
Report
Simile raises $200M to survey AI 'twins' of real consumers
Simile raised $200m at a $2bn valuation to build AI
Read more
Report
Simile Raises Over $200 Million In Series B At A $2 Billion Valuation
Simile, known as The Simulation Company, announced it has raised more than $200 million at a $2 billion post-money valuation. The round was led by Greenoaks. Index Ventures doubled down on its investment, alongside returning investors Hanabi, Bain Capital
Read more
Report
Joon Sung Park (@joon_s_pk) on X
Introducing Simile.Simulating human behavior is one of the most consequential and technically difficult problems of our time. We raised $100M from Index, Hanabi, A BCV, @karpathy @drfeifei @adamdangelo @rauchg @scottbelsky among others.
Read more
Report
Simile Raises $100 Million for AI That Aims to Predict Human Behavior
AI startup Simile has raised $100 million to work on developing AI tools that help companies predict human behavior.
Read more
Report
Show more news
Offices
Where the company hires and what each office is for
Cities
3
Hiring now
2
Countries
1
Busiest office
San Francisco
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Headquarters
Builds here
Office with open vacancies
No open vacancies right now Tap a pin for the office
Brooklyn
United States
HQ
San Francisco
United States
Engineering / R&D
8 open roles 5 posted in 90 days 88% engineering 200-500 est. staff $386k Avg Salary
hires for AI/ML, Backend, DevOps
1011 3rd St, 2nd Floor, Suite C
New York
United States
Engineering / R&D
3 open roles 6 posted in 90 days 33% engineering 50-200 est. staff $317k Avg Salary
hires for AI/ML, Administrative, Solutions
1011 3rd St, 2nd Floor, Suite C